Psychologist | Clinical Psychology

Dr. Gayle Vincent Callahan, PHD

6615 N Big Hollow Rd, Peoria, Illinois, 61615-2451

About Dr. Gayle Vincent Callahan

Dr. Gayle Vincent Callahan is a psychologist based in Peoria, Illinois who is specialized in Clinical Psychology. Her current practice location is 6615 N Big Hollow Rd, Peoria. Patients can reach her at 309-692-6622 or can fax her at 309-692-6952. Dr. Gayle Vincent Callahan is PHD in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1538262191.

Dr. Gayle Vincent Callahan is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Gayle Vincent Callahan speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Gayle Vincent Callahan
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 6615 N Big Hollow Rd,
Peoria, IL - 61615-2451
Fax 309-692-6952

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1538262191
NPI Enumeration Date: 07 Sep, 2006
NPI Last Update On: 11 Sep, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Gayle Vincent Callahan are as mentioned below.

License NumberSpecializationStateStatus
School Psychology IllinoisPrimary
Clinical Psychology IllinoisSecondary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Gayle Vincent Callahan
6615 N Big Hollow Rd,
Peoria, IL - 61615-2451
Phone: 309-692-6622
Fax: 309-692-6952

Book an Appointment with Dr. Gayle Vincent Callahan

To schedule an appointment, contact Dr. Gayle Vincent Callahan at 6615 N Big Hollow Rd, Peoria, Illinois or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gayle Vincent Callahan:

Dr. Gayle Vincent Callahan is a psychologist specializing in School Psychology. She apply her expertise in mental health, learning, and behavior, to help children and youth succeed academically, socially, behaviorally, and emotionally.
School psychologists are uniquely qualified members of school teams that support students' ability to learn and teachers' ability to teach. They partner with families, teachers, school administrators, and other professionals to create safe, healthy, and supportive learning environments that strengthen connections between home, school, and the community.

Yes, Dr. Gayle Vincent Callahan is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Dr. Gayle Vincent Callahan practices at 6615 N Big Hollow Rd, Peoria, Illinois, 61615-2451.

To schedule an appointment with Dr. Gayle Vincent Callahan, please contact the office at 309-692-6622.

Reviews & Feedback

Have you visited Dr. Gayle Vincent Callahan? Share your experience to help others looking for psychologist in Peoria, IL.

Read Reviews / Give Feedback
**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.